IB TOK Knowledge Framework of Arts Scope The arts are all about conveying a message in a unique and more attractive form. The subject matter the art is trying to convey is different in every piece of art. However all of them share a common goal which is to convey the artist’s message to the […]

What is a nuclear reaction? What is Unified Atomic Mass Unit/Mass Defect/Nuclear Fission/ Nuclear Binding Energy and nuclear power in general? Easy nuclear reaction infographic guide/review to study for your IB Physics SL/HL exams. DID YOU KNOW? Nuclear Reactions The first induced nuclear reaction was accomplished by famous Australian physicist Ernest Rutherford, the […]

Research Question What is the specific heat capacity of water? Hypothesis The water should have the specific heat capacity of 4180 Jkg-1K-1 Theoretical Background The official specific heat capacity of water is about 4180 Jkg-1K–1. The specific heat capacity is the amount of heat per unit mass which is required to raise the temperature by […]

Research Question What is projectile motion? Hypothesis Even when the Nerf gun is placed horizontally to the target and aimed at the target’s bullseye with pinpoint accuracy, the dart will not hit the bullseye when shot. Instead the dart will hit the target lower than the aimed spot or even not reach the target at […]

4.1 Oscillations Nature of science: Oscillations in nature Oscillations is basically everywhere and Is very common in our daily lives without us realizing it. Hummingbird flaps its wring at frequency of 20 beats per second. Electrocardiographs are used to monitor heartbeats Stroboscopes to freeze motion in engines and motors. Practical techniques have been developed with […]

What is a packet? A unit of data which is routed between an origin and a destination on the internet or any other packet-switched network How is the packet labelled? It is labeled by assigning a number (label) What is a LAN? Local Area Network, a computer network that spans a small area connecting one […]

What are viruses/worms/trojan horses/drive by downloads and all other malware? This is a brief guide for noobs/beginners. Viruses A harmful program designed to cause damage to a computer system Replicates itself Hides self Attaches to files Worms Virus that automatically spreads without user interaction Opening infected email Plugging flash drive Trojan Horses A virus that […]

Computer Models Models Simplified representations of real concepts and events used to aid understanding or make predictions about outcomes without actually testing them. Computer model Computer program that creates a simplified, mathematical representation of a real world process. Involve vast numbers of highly complex calculations Often run on supercomputers Use variables and processes to create […]

Databases a collection of information that has been organized in a certain way or a storage container for data Organized collection of collected data (ex: Privacy Issue) Databases: Business database, transport databases, search engines, online databases, government databases Database Management System DBMS: Software used to create, enter, edit and retrieve data in a database RDBMS: […]

Medical Experts System How it works? The EMR or Electronic medical Records store patient’s data in a computerized data base. The medicinal records are stored in a centralized database which is housed and maintained by a hospital or healthcare provider. This allows medical staff to view patient’s details including to generate billing information for the […]